Scope

Ontario residential source-navigation only. It does not publish service size values, load calculations, demand factors, upgrade conclusions, or design acceptance.

Lookup table

Point to official Ontario and CSA source pages relevant to residential service-size precheck review.

Scroll sideways to keep row labels aligned with hidden columns.

Lookup basis uses ESA Bulletin 8-3-16, ESA Ontario Electrical Safety Code, and CSA Group Canadian Electrical Code source navigation.
Source areaCurrent sourceReview stepBoundary
ESA Bulletin 8-3-16Maximum circuit loading and demand factorsOpen this service-size source before reviewing residential service-size or load precheck context.source-navigation only; no service size value, load calculation, demand factor, or upgrade conclusion is reproduced
ESA OESCOntario Electrical Safety Code pageOpen this page to confirm the current Ontario code cycle before reading service and load sources.source-navigation only; no service size value, Ontario rule text, amendment, or design acceptance is reproduced
CSA CEC source ownerCSA Group Canadian Electrical Code source navigationOpen this CSA source-owner page to identify the national source path before code-product review.source-navigation only; no service size value, licensed standard text, or service-sizing table is reproduced
Notes
  • Check table values only for source-navigation and current source-area review.
  • Confirm the current source document, product marking, utility page, or authority guidance before any design or field decision.